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1 工程概况陕西境安康至汉中高速公路A-CD45标磨河村隧道单洞累计4202米,双向四车道:隧道Ⅲ级深埋2822.35m.主洞限界高7.43m,净宽12.67m,成洞面积75m
光面爆破技术控制措施及要点
【摘 要】
：
1 工程概况陕西境安康至汉中高速公路A-CD45标磨河村隧道单洞累计4202米,双向四车道:隧道Ⅲ级深埋2822.35m.主洞限界高7.43m,净宽12.67m,成洞面积75m
【机 构】
：
中铁七局集团第一工程有限公司
【出 处】
：
中国科技博览
【发表日期】
：
2004年期
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